Re: [PATCH 04/23] driver core: platform_get_irq*(): return -ENXIO on error

From: Olivier Galibert
Date: Mon Mar 20 2006 - 19:10:57 EST


On Mon, Mar 20, 2006 at 02:00:38PM -0800, Greg Kroah-Hartman wrote:
> platform_get_irq*() cannot return 0 on error as 0 is a valid IRQ on some
> platforms, return -ENXIO instead.

0 is NO_IRQ, and can not be a valid IRQ number, ever. A
platform_get_irq*() returning 0 as a valid irq is buggy.

Check http://lkml.org/lkml/2005/11/21/211

OG.

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